The 2017 Buick Envision is offered in several trim levels. The Base Envision, Preferred and Essence trims are powered by a 2.5L 4-cylinder that makes 191 horsepower and 192 pound-feet of torque. In these trims, front-wheel-drive is standard, though all-wheel-drive is optional, with power supplied through a 6-speed automatic transmission. Upper-tier Premium and Premium II trims come with a turbocharged 2.0L 4-cylinder, which produces 252 horsepower and 260 pound-feet of torque and powers all four wheels through a 6-speed auto. So equipped, the Envision boasts strong acceleration for its class, ...